The newest trend in luxury real estate may be building upscale homes in the backwoods, reports The Wall Street Journal's Amy Gamerman. But constructing homes in places without infastructure requires a significant amount.

An inaccessible building site means a live-in construction crew. Helicopters or barges may be required to deliver bulldozers, cement and Viking stoves to wilderness locales.

And there are other pitfalls as well.

Natural disasters come with the territory. Jordy Hendrikx, director of the Snow and Avalanche Laboratory at Montana State University, also works as a private consultant. One client discovered that the driveway to his Wyoming retreat—an old logging road—was in an avalanche path.

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